Finding the Fourth Proportional to 52,587.54, 72,570.24 and 28,715.22

Step by Step Solution

1. Step 1: Write the proportion equation
   52,587.54 : 72,570.24 = 28,715.22 : x
2. Step 2: Convert to fraction form
   52,587.54/72,570.24 = 28,715.22/x
3. Step 3: Cross multiply
   52,587.54x = 72,570.24 × 28,715.22
4. Step 4: Simplify right side
   52,587.54x = 2,083,870,407.05
5. Step 5: Solve for x
   x = 2,083,870,407.05/52,587.54
6. Step 6: Final answer
   x = 39,626.69